Aqueous-based hair dyeing composition containing a soluble bismu

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

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8 10, A61K 712

Patent

active

041959728

ABSTRACT:
A hair dyeing composition comprising a metal salt and a sulfur-containing reducing compound is described. In the composition, the metal salt is a water-soluble bismuth salt of an alpha-hydroxy, mono-carboxylic acid.

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